Appendix D

Index to Notation

If not stated otherwise, letters that appear without any other kind of specification have the following meaning:

κ nonnegative integer-valued arithmetic expression
j,k,m,n integer-valued arithmetic expression
x,y real-valued arithmetic expression
x,y,z binary-valued arithmetic expression
f integer-valued, real-valued, or complex-valued function (task)
ψ integer-valued, real-valued, or complex-valued function (constraint)
X , Y Image sets
X,Y random variables
X,Y matrices
N , R , C the sets of natural, real numbers and complex number

Formal symbolism Meaning Where ...

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